Railways PYQCBT 2 2017

RRB NTPC · Question 38

A question and three statements labeled (I), (II) and (III) are given. You have to decide which statement(s) is/are sufficient to answer the question. What is Surya's age? I. Surya and his sister are the only children in Ramesh's home. II. Surya's sister is elder to him by 5 years. III. Surya's sister just turned 15 this year.

  1. II and III are sufficient.

  2. I, II, III together are needed.

  3. Given data is insufficient.

  4. II alone is sufficient.

Show answer & explanation

Answer: (A) II and III are sufficient.

Explanation

From III the sister is 15, and from II she is 5 years older than Surya, so Surya is 10. II and III are sufficient; I adds nothing.